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Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[powerpc.git]
/
arch
/
ia64
/
kernel
/
ptrace.c
diff --git
a/arch/ia64/kernel/ptrace.c
b/arch/ia64/kernel/ptrace.c
index
aa705e4
..
3f89187
100644
(file)
--- a/
arch/ia64/kernel/ptrace.c
+++ b/
arch/ia64/kernel/ptrace.c
@@
-607,7
+607,7
@@
find_thread_for_addr (struct task_struct *child, unsigned long addr)
*/
list_for_each_safe(this, next, ¤t->children) {
p = list_entry(this, struct task_struct, sibling);
*/
list_for_each_safe(this, next, ¤t->children) {
p = list_entry(this, struct task_struct, sibling);
- if (p->
mm != mm
)
+ if (p->
tgid != child->tgid
)
continue;
if (thread_matches(p, addr)) {
child = p;
continue;
if (thread_matches(p, addr)) {
child = p;
@@
-1405,6
+1405,7
@@
ptrace_disable (struct task_struct *child)
struct ia64_psr *child_psr = ia64_psr(task_pt_regs(child));
/* make sure the single step/taken-branch trap bits are not set: */
struct ia64_psr *child_psr = ia64_psr(task_pt_regs(child));
/* make sure the single step/taken-branch trap bits are not set: */
+ clear_tsk_thread_flag(child, TIF_SINGLESTEP);
child_psr->ss = 0;
child_psr->tb = 0;
}
child_psr->ss = 0;
child_psr->tb = 0;
}
@@
-1525,6
+1526,7
@@
sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data)
* Make sure the single step/taken-branch trap bits
* are not set:
*/
* Make sure the single step/taken-branch trap bits
* are not set:
*/
+ clear_tsk_thread_flag(child, TIF_SINGLESTEP);
ia64_psr(pt)->ss = 0;
ia64_psr(pt)->tb = 0;
ia64_psr(pt)->ss = 0;
ia64_psr(pt)->tb = 0;
@@
-1556,6
+1558,7
@@
sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data)
goto out_tsk;
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
goto out_tsk;
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+ set_tsk_thread_flag(child, TIF_SINGLESTEP);
if (request == PTRACE_SINGLESTEP) {
ia64_psr(pt)->ss = 1;
} else {
if (request == PTRACE_SINGLESTEP) {
ia64_psr(pt)->ss = 1;
} else {
@@
-1595,13
+1598,9
@@
sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data)
}
}
-void
+
static
void
syscall_trace (void)
{
syscall_trace (void)
{
- if (!test_thread_flag(TIF_SYSCALL_TRACE))
- return;
- if (!(current->ptrace & PT_PTRACED))
- return;
/*
* The 0x80 provides a way for the tracing parent to
* distinguish between a syscall stop and SIGTRAP delivery.
/*
* The 0x80 provides a way for the tracing parent to
* distinguish between a syscall stop and SIGTRAP delivery.
@@
-1664,7
+1663,8
@@
syscall_trace_leave (long arg0, long arg1, long arg2, long arg3,
audit_syscall_exit(success, result);
}
audit_syscall_exit(success, result);
}
- if (test_thread_flag(TIF_SYSCALL_TRACE)
+ if ((test_thread_flag(TIF_SYSCALL_TRACE)
+ || test_thread_flag(TIF_SINGLESTEP))
&& (current->ptrace & PT_PTRACED))
syscall_trace();
}
&& (current->ptrace & PT_PTRACED))
syscall_trace();
}